<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<input type="text" placeholder="请输入1-100之间的整数">
<input type="button" value="猜一猜" onclick="f()">
<div></div>
<script>
  //生成一个1-100之间的随机整数
  let x =parseInt((Math.random()*100)+1);
  let i = document.querySelector("input");
  let d =document.querySelector("div");
  let count = 0;
  function f() {
    count++;
    if(i.value>x){
      d.innerText ="猜大了!";
    }else if(i.value<x){
      d.innerText = "猜小了!";
    }else {
      d.innerText= "恭喜你第"+count+"次猜对了!";
      x = parseInt(Math.random()*100)+1;//每次猜完重新生成随机数
      count = 0;
    }
    i.value="";//每次猜完清空内容,然后重新生成随机数
    console.log(x)//在控制台输出猜对的数字
  }

</script>
</body>
</html>